{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "5 - Sulfonyl tetrazole easily accepted nucleophilic attack of thiol groups , while 5 - sulfinyl tetrazole did not ."}
{"Chemical": ["5 - Sulfonyl tetrazole", "thiol", "5 - sulfinyl tetrazole"]}